1638 Calabrian earthquakes

A series of four mainshocks struck Calabria on March 27–28 and June 9, 1638. The first three earthquakes had moment magnitudes estimated to be Mw 6.6–7.1. On June 9, another mainshock estimated at Mw 6.7 struck the same region, causing further damage and casualties. The four earthquakes resulted in as many as 30,000 fatalities.

1638 Calabria earthquakes
March 27
March 28
March 28
June 9
Local dateMarch 27, 1638 (1638-03-27)
Local time20:00 to 21:00
MagnitudeMw 6.8–7.1 (March 27)
Depth15 km (9 mi)
Epicenter38.64°N 15.78°E / 38.64; 15.78
Areas affectedCalabria, Kingdom of Naples (present-day Italy)
Max. intensityMMI XI (Extreme)
TsunamiUncertain
Casualties9,581–30,000
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